Programmer Think

kubernetes persistent storage PV and PVC 1. Introduction of PV and PVC Volume provides a very good data persistence scheme, but there are still deficiencies in manageability. Take the previous example of AWS EBS. To use Volume, Pod must know the following information in advance: The current Volume is from AWS EBS. The EBS Volume has been crea ...

1, kubectl command kubectl is the command line tool of Kubernetes cluster. kubectl can manage the cluster itself and install and deploy container applications on the cluster The command format is as follows kubectl [command] [type] [name] [flags] parameter command: Specifies the operations to be performed on the resource, such as crea ...

Click on "end of life", pay attention to the official account. Daily technical dry goods, delivered at the first time! Up to 70% of the problems encountered with kubernetes can be attributed to network problems. Recently, it was found that if the kernel parameter: Bridge NF call iptables is not set properly, it will affect the pod ...

Canary release of front-end and back-end applications based on Kubernetes The company's R & D management platform implements Devops of Gitlab+Kubernetes. In the ToB and ToC scenarios, due to the large number of users and more or less differences between the pre release environment and the production environment, there are still many uncerta ...

1. Kubernetes Installation Chinese Community of Kubernetes|Chinese Documentation Set Ali Cloud Mirror vim /etc/yum.repos.d/kubernetes.repo [kubernetes] name=Kubernetes baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/ enabled=1 gpgcheck=0 Install minikube curl -LO https://storage.googleapis.com/mi ...

catalogue Experimental environment Experimental environment: 1,win10,vmwrokstation Virtual machine; 2,k8s Cluster: 3 sets centos7.6 1810 Virtual machine, 1 master node,2 individual node node k8s version: v1.22.2 containerd://1.5.5 Experimental software nothing 1. Admission controller Kubernetes provides methods to extend its ...

Deep understanding of POD (3) 1. YAML file In the previous course, we used some YAML files to create related resources when installing kubernetes cluster, but many students are still very unfamiliar with YAML files. So let's take a brief look at how YAML files work, use YAML files to define a kubernetes pod, and then define a kubernetes deploym ...

Background:Network environment reference: Cloud networking experience Two vpc networks in Shanghai and Beijing. The servers are distributed as follows:Let's talk about why we use TencentOS Server 3.1 (TK4) system. It's not because CentOS 8 doesn't provide long-term maintenance.... by the way, experience Tencent cloud's open source Tencent OS. F ...

Author: SRE operation and maintenance blog Blog address: https://www.cnsre.cn/ Article address: https://www.cnsre.cn/posts/211203931498/ Related topics: https://www.cnsre.cn/tags/aws/ Because when creating an Amazon EKS cluster, IAM users or roles will be automatically granted the system:masters permission in the RBAC configuration of the clu ...

For image download, domain name resolution and time synchronization, please click Alibaba open source mirror stationPractice environmentCentOS-7-x86_64-DVD-1810Docker 19.03.9Kubernetes version: v1.20.5Before startingOne Linux operating system or more, compatible with deb,rpmEnsure that each machine has 2G memory or moreEnsure that when the node ...